Review on π Ade Advanced Optics AAOSAL Professional Automatic Temperature Compensation Sea Water Salinity Refractometer: Ideal for Aquarium, Hydrometer | 0-100 ppt Range | 1.000-1.070 Salinity S.G. by Will Schimmel
It works but has one annoying feature
This tool is a must have for any reef aquarium. However, this particular model requires frequent fine-tuning. You will need a gallon of distilled water to calibrate frequently. It seems like every time I use it I find that my salinity is far from normal, but then I check the calibration and realize the instrument is something far from it. Now I don't think he calibrated it first.
- Resale quality - 50 percent heavier than cheap soft case models
- Large and bulky
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